1: (3 8 11)

(0 5 2)(1 20 16)(3)(4 8 15 11 6)(7 13 9)(10 19 12)(14 18 17)

2: (7 13 9)

(0 5 2)(1 20 16)(3)(4 8 15 11 6)(7)(9)(10 19 12)(13)(14 18 17)

3: (10 19 12)

(0 5 2)(1 20 16)(3)(4 8 15 11 6)(7)(9)(10)(12)(13)(14 18 17)(19)

4: (6 15 11)

(0 5 2)(1 20 16)(3)(4 8 15)(6)(7)(9)(10)(11)(12)(13)(14 18 17)(19)